Circuit Analysis

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Vintage Stompbox Corner ( ... - 1975)
Discussion regarding early stompbox technology: 1960-1975 Please keep discussion focused and contribute what info you have...
Topics: 659

659 Topics

14831 Posts

Last post Re: MusicMan Phasor
by dbrdly View the latest post
Today, 02:34
Modern Stompbox Effects (1975 - ...)
All about modern commercial stompbox circuits from Electro Harmonix over MXR, Boss and Ibanez into the nineties.
Topics: 1460

1460 Topics

21787 Posts

Last post Re: MXR - Fullbore Metal [gut…
by camljenkins94 View the latest post
Today, 01:25
Boutique Stompboxes dissected...
General documentation, gut shot, schematic links, ongoing circuit tracing, deep thoughts ... all about boutique stompboxes.
Topics: 1793

1793 Topics

56697 Posts

Last post Re: Solo Dallas - SVDS Replica
by moonshiner View the latest post
Yesterday, 04:36
DIY Stompbox designs
Stompboxes circuits published in magazines, books or on DIY electronics websites.
Topics: 1068

1068 Topics

10794 Posts

Last post Re: Fodera, Sadowsky, aguilar…
by george giblet View the latest post
Today, 02:53
Analysis Requests Folder
Before you launch a request, please a) search the forum; b) search the web and c) share whatever you did find and where you searched.
Topics: 1144

1144 Topics

4149 Posts

Last post by EmmG View the latest post
03 Mar 2021, 13:23

Active topics

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Last post

List of Joyo Pedal Clones

Last post by theblackman « 22 Dec 2020, 04:07
Replies: 102
by din_mentor » 07 Feb 2012, 11:28
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Rating: 12.3%

Hi, totally new to this forum :mrgreen:
I Guess this is THE place for effects pedal questions.

Been looking around for confirmed Joyo pedal clones,...
102 Replies

335589 Views

Last post by theblackman
22 Dec 2020, 04:07
READ THIS before posting!!

Last post by modman « 11 Sep 2011, 13:52

by modman » 11 Sep 2011, 13:52

Rating: 1.5%

This section is devoted to circuit analysis . This means...

requests for schematics or layouts will be moved the the Request section
messages...

0 Replies

46064 Views

Last post by modman
11 Sep 2011, 13:52
DO NOT post requests in this forum. Pretty please.

Last post by modman « 19 Mar 2010, 09:41
Replies: 2
by culturejam » 22 Nov 2009, 21:18

Pretty please, with sugar on top.

Don't post in this forum asking is there is a schematic or layout or info on XXX pedal.

There is a subforum...

2 Replies

45821 Views

Last post by modman
19 Mar 2010, 09:41
DO NOT post requests in this forum. Pretty please.

Last post by lolbou « 22 Nov 2009, 21:23
Replies: 1
by culturejam » 22 Nov 2009, 21:18

Pretty please, with sugar on top.

Don't post in this forum asking is there is a schematic or layout or info on XXX pedal.

There is a subforum...

1 Replies

43264 Views

Last post by lolbou
22 Nov 2009, 21:23
DO NOT post requests or debugging in this forum. please.

Last post by lolbou « 22 Nov 2009, 21:23
Replies: 1
by culturejam » 22 Nov 2009, 21:18

Pretty please, with sugar on top.

Don't post in this forum asking is there is a schematic or layout or info on XXX pedal.

There is a subforum...

1 Replies

53804 Views

Last post by lolbou
22 Nov 2009, 21:23
The Goose, the Middleman, the Idolmaker and Gomer Pyle

Last post by noelgrassy « 01 Feb 2008, 19:42
Replies: 91
by CS Jones » 07 Dec 2007, 21:41
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Clay, I would really love to hear the full story on this one. It seems like you have lots to tell!

Thanks LPD. How much do you want to hear? The...
91 Replies

179850 Views

Last post by noelgrassy
01 Feb 2008, 19:42
Fodera, Sadowsky, aguilar, and other bass preamps

Last post by george giblet « Today, 02:53
Replies: 211
by quaternotetriplet » 14 Dec 2008, 06:20
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Rating: 24%

Hi anyone who have schematics of an outboard bass preamp??
211 Replies

100639 Views

Last post by george giblet
Today, 02:53
MusicMan Phasor

Last post by dbrdly « Today, 02:34
Replies: 5
by seniorLoco » 10 Dec 2007, 03:47

Rating: 0.2%

musinman hd150 Phasor i like :D

Just wanted to throw this here to see if anyone else wants to build just the PHASOR ... as it's perrty good...

5 Replies

2494 Views

Last post by dbrdly
Today, 02:34
MXR - Fullbore Metal [guts]

Last post by camljenkins94 « Today, 01:25
Replies: 21
by ddpawel » 18 Oct 2010, 14:56
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Rating: 0.6%

Hi,
I have something interesting, as everyone waited for some time. Photos of MXR Fullbore Metal. I'd have more, trace the path and made a...
21 Replies

13468 Views

Last post by camljenkins94
Today, 01:25
Need LFO Help Zombie Chorus /Lich King

Last post by The G « Yesterday, 11:15
Replies: 5
by Carvindc125 » 01 Mar 2021, 15:57

I have been struggling for a week now trying to get this LFO to LFO!
I have it on the breadboard.
ideally I would like to use a different LFO that...

5 Replies

173 Views

Last post by The G
Yesterday, 11:15
Solo Dallas - SVDS Replica

Last post by moonshiner « Yesterday, 04:36
Replies: 167
by modman » 18 Nov 2012, 09:45
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Rating: 12.6%

I can find anything schematic-wise, and I was seeking all bloody day...

It's just an audio patch (booster/compressor) part of the circuit, no...
167 Replies

66892 Views

Last post by moonshiner
Yesterday, 04:36
Maestro EP3 T70-T2 Bias Oscillator Question

Last post by pmkipp « Yesterday, 03:50
Replies: 7
by pmkipp » 15 Jan 2020, 17:48

Rating: 0.4%

I have been rebuilding an old EP3 and have hit a snag, mostly from the where do I find this? corner.

Someone before me had wired in a new power...

7 Replies

2441 Views

Last post by pmkipp
Yesterday, 03:50
Arion SMM1 Metal Master

Last post by Gila_Crisis « 04 Mar 2021, 15:28
Replies: 1
by Gila_Crisis » 28 Feb 2021, 09:31

Rating: 0.6%

I just got this old MIJ Arion Metal Master, which had few problems on the Output 2 (in the end replacing all the elcos solved my issue).
I was...

1 Replies

269 Views

Last post by Gila_Crisis
04 Mar 2021, 15:28
Mid-fi Clari(pirate)

Last post by Nocentelli « 04 Mar 2021, 09:00
Replies: 8
by Sesh » 10 Sep 2020, 08:55

Rating: 0.4%

Hi there!

So I was starting to build a mid-fi pitch pirate deluxe, and I looked on the Mid-fi Electronics website to check out what pedals they...

8 Replies

1107 Views

Last post by Nocentelli
04 Mar 2021, 09:00
Shure Level Loc Compressor

Last post by bow_and_error « 04 Mar 2021, 01:58

by bow_and_error » 04 Mar 2021, 01:58

Rating: 0.2%

Has anybody played around with the Shure Level Loc Compressor circuit before? I has popped up on a few pro audio forums ( here & here ) and I was...

0 Replies

103 Views

Last post by bow_and_error
04 Mar 2021, 01:58
Moen - Jimi Nova

Last post by CheapPedalCollector « 04 Mar 2021, 00:00
Replies: 10
by cctsim » 14 Dec 2019, 16:38

Rating: 0.9%

Moen Jimi Nova vibe, excellent sounding easyvibe.

10 Replies

1694 Views

Last post by CheapPedalCollector
04 Mar 2021, 00:00
Darkglass - Tone Capsule

Last post by BassyTobe « 03 Mar 2021, 20:15
Replies: 26
by tommymariotti » 06 Jul 2020, 12:17
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Rating: 4.1%

Dear all,
A friend of mine have a Darkglass Tone Capsule. Actually he send me a photo of the device.
I asked more Photos with more details.
Somebody...
26 Replies

3795 Views

Last post by BassyTobe
03 Mar 2021, 20:15
Mosky Plexi-m

Last post by howmuch « 03 Mar 2021, 16:32

by howmuch » 03 Mar 2021, 16:32

Rating: 0.9%

This is obviously based on the Single Channel Carl Martin Plexitone.
I really like the sound of this pedal. It's got that Bright-Channel Plexi...

0 Replies

115 Views

Last post by howmuch
03 Mar 2021, 16:32
Rockman X100 - Make it a DIY Pedal

Last post by VivMeLol « 03 Mar 2021, 14:31
Replies: 164
by FeVeR2112 » 28 Oct 2020, 23:44
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Rating: 6.1%

I have been wanting to do this for decades.... Make a pedal that has the Rockman Distortion sound. The chorus and echo would be other pedals.

I...
164 Replies

13947 Views

Last post by VivMeLol
03 Mar 2021, 14:31
PSK SMT-2 Super Metal

Last post by Matlevo12 « 03 Mar 2021, 13:31

by Matlevo12 » 03 Mar 2021, 13:31

Rating: 0.2%

As I continue my quest of identifying cheap vintage boss clones I found this pedal.

And from what I traced it is... a boss HM-2 Heavy Metal...

0 Replies

105 Views

Last post by Matlevo12
03 Mar 2021, 13:31
BIK APX-01

Last post by Springo Reverbo « 03 Mar 2021, 09:46
Replies: 4
by Fender3D » 25 May 2012, 16:27

Rating: 0.9%

I totally forgot this...
I promised Greg (Govmnt_Lacky) I would have look for my MXR micro-flanger buried in my attic...
Well, I still haven't found...

4 Replies

1753 Views

Last post by Springo Reverbo
03 Mar 2021, 09:46
Designing PCB from Layout

Last post by DjPsychic « 01 Mar 2021, 21:39
Replies: 21
by DjPsychic » 15 Nov 2020, 01:17
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Is there anyone who can help me design a PCB from a layout? It's just a simple fuzz face with a couple little differences. I plan on using...
21 Replies

1693 Views

Last post by DjPsychic
01 Mar 2021, 21:39
Fuzz Factory Transistors?

Last post by culturejam « 01 Mar 2021, 02:50
Replies: 3
by keeleyvandervort » 31 Jan 2021, 14:56

Rating: 0.2%

So, we know that the early factories used the super mojo spam can transistors, and later models use 2N404 , but does anyone 'know' what trannies were...

3 Replies

514 Views

Last post by culturejam
01 Mar 2021, 02:50
Catalinbread Karma Suture (germanium & silicon versions)

Last post by 287m « 27 Feb 2021, 09:03
Replies: 6
by aionios » 21 Feb 2021, 20:05

Rating: 2.6%

An adaptation of the Harmonic Percolator with some added bells & whistles. The germanium version came out in 2014 and the all-silicon version...

6 Replies

1229 Views

Last post by 287m
27 Feb 2021, 09:03
Crate solid state amp Brown sound distortion

Last post by Tassieviking « 26 Feb 2021, 12:37
Replies: 21
by caspercody » 03 Jan 2021, 03:43
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Rating: 0.6%

Hello,

I am making a pedal version of the distortion circuit of a Crate GFX amp. I found a schematic, and started a vero board layout. I have a...
21 Replies

2167 Views

Last post by Tassieviking
26 Feb 2021, 12:37

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